/* ===================================
   Shopping Cart Sidebar
   =================================== */

.cart-sidebar {
  position: fixed;
  top: 0;
  right: -400px;
  width: 100%;
  max-width: 400px;
  height: 100%;
  background-color: var(--bg-primary);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  z-index: var(--z-modal);
  transition: right var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.cart-sidebar.open {
  right: 0;
}

@media (max-width: 480px) {
  .cart-sidebar {
    max-width: 100%;
    right: -100%;
  }
}

/* Cart Header */
.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--border-primary);
  background-color: var(--bg-secondary);
}

.cart-header h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin: 0;
  color: var(--text-primary);
}

.cart-close {
  background: none;
  border: none;
  padding: var(--spacing-sm);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: var(--transition-all);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-close:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Cart Content */
.cart-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

.cart-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Cart Empty State */
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-6xl) var(--spacing-lg);
  color: var(--text-secondary);
}

.cart-empty-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--spacing-xl);
  opacity: 0.3;
  color: var(--text-muted);
}

.cart-empty p {
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-xl);
}

/* Cart Item */
.cart-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-primary);
  transition: var(--transition-all);
}

.cart-item:hover {
  border-color: var(--border-secondary);
  box-shadow: var(--shadow-sm);
}

.cart-item-image {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--bg-tertiary);
}

.cart-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.cart-item-name {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0;
  line-height: var(--leading-tight);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cart-item-specs {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin: 0;
  line-height: var(--leading-normal);
}

.cart-item-price {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--primary-color);
  margin-top: auto;
}

/* Cart Item Controls */
.cart-item-controls {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--spacing-sm);
}

/* Quantity Control */
.quantity-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--bg-primary);
}

.quantity-btn {
  background: none;
  border: none;
  padding: var(--spacing-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-all);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.quantity-btn:hover {
  background-color: var(--bg-secondary);
  color: var(--primary-color);
}

.quantity-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.quantity-input {
  width: 50px;
  height: 32px;
  border: none;
  text-align: center;
  font-weight: var(--font-medium);
  color: var(--text-primary);
  background-color: transparent;
}

.quantity-input:focus {
  outline: none;
}

/* Remove Item Button */
.cart-item-remove {
  background: none;
  border: none;
  padding: var(--spacing-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-all);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-item-remove:hover {
  color: var(--error-color);
  background-color: rgba(239, 68, 68, 0.1);
}

/* Cart Footer */
.cart-footer {
  padding: var(--spacing-xl);
  border-top: 1px solid var(--border-primary);
  background-color: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.cart-total span:last-child {
  color: var(--primary-color);
}

.cart-footer .btn {
  width: 100%;
  justify-content: center;
  padding: var(--spacing-lg);
  font-size: var(--text-base);
  min-height: 48px;
}

/* Cart Overlay */
.cart-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
}

.cart-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* Cart Toggle Button */
.cart-toggle {
  position: relative;
  padding: var(--spacing-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-all);
  border: none;
  background: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-toggle:hover {
  color: var(--primary-color);
}

.cart-icon {
  width: 24px;
  height: 24px;
  transition: transform var(--transition-fast);
}

.cart-toggle:hover .cart-icon {
  transform: scale(1.1);
}

.cart-count {
  position: absolute;
  top: 0;
  right: 0;
  background-color: var(--secondary-color);
  color: var(--text-inverse);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  height: 18px;
  display: none;
  align-items: center;
  justify-content: center;
  transform: translate(25%, -25%);
  animation: cartCountPulse 0.3s ease-out;
}

@keyframes cartCountPulse {
  0% {
    transform: translate(25%, -25%) scale(0);
  }
  50% {
    transform: translate(25%, -25%) scale(1.2);
  }
  100% {
    transform: translate(25%, -25%) scale(1);
  }
}

/* Body scroll lock when cart is open */
body.cart-open {
  overflow: hidden;
}

/* Cart Animations */
.cart-sidebar {
  animation: cartSlideIn var(--transition-normal) ease-out;
}

.cart-sidebar.open {
  animation: cartSlideOpen var(--transition-normal) ease-out;
}

@keyframes cartSlideIn {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes cartSlideOpen {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

/* Cart Item Animations */
.cart-item {
  animation: cartItemSlideIn var(--transition-normal) ease-out;
}

@keyframes cartItemSlideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Remove Item Animation */
.cart-item.removing {
  animation: cartItemRemove var(--transition-normal) ease-out forwards;
}

@keyframes cartItemRemove {
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* Quantity Change Animation */
.quantity-control input:focus {
  animation: quantityFocus var(--transition-fast) ease-out;
}

@keyframes quantityFocus {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

/* Responsive Cart */
@media (max-width: 768px) {
  .cart-header {
    padding: var(--spacing-lg);
  }
  
  .cart-header h3 {
    font-size: var(--text-lg);
  }
  
  .cart-content {
    padding: var(--spacing-md);
  }
  
  .cart-item {
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
  }
  
  .cart-item-image {
    width: 60px;
    height: 60px;
  }
  
  .cart-item-name {
    font-size: var(--text-sm);
  }
  
  .cart-item-price {
    font-size: var(--text-base);
  }
  
  .quantity-btn {
    width: 28px;
    height: 28px;
    padding: var(--spacing-xs);
  }
  
  .quantity-input {
    width: 40px;
    height: 28px;
    font-size: var(--text-sm);
  }
  
  .cart-footer {
    padding: var(--spacing-lg);
  }
  
  .cart-total {
    font-size: var(--text-lg);
  }
}

@media (max-width: 480px) {
  .cart-sidebar {
    max-width: 100%;
  }
  
  .cart-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
  
  .cart-item-details {
    width: 100%;
  }
  
  .cart-item-controls {
    width: 100%;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  
  .quantity-control {
    flex-shrink: 0;
  }
}

/* Focus Management */
.cart-sidebar:focus {
  outline: none;
}

.cart-item-remove:focus,
.quantity-btn:focus {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .cart-sidebar {
    border: 2px solid var(--text-primary);
  }
  
  .cart-item {
    border: 2px solid var(--text-primary);
  }
  
  .quantity-control {
    border: 2px solid var(--text-primary);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .cart-sidebar,
  .cart-sidebar.open,
  .cart-item,
  .cart-count,
  .quantity-control input:focus {
    animation: none;
    transition: none;
  }
}

/* Print Styles */
@media print {
  .cart-sidebar,
  .cart-overlay,
  .cart-toggle,
  .cart-count {
    display: none !important;
  }
}